Package includes: Four temperature sensors, providing sufficient quantity for replacement needs. OEM numbers: DA3210104N, DA3210104V, 2030330, AP4979323, PS4138666. Compatibility: Compatible with multiple Samsung refrigerator models. Note: This product is not sponsored or endorsed by, or affiliated with, the brands it fits, including Samsung. Benefits and performance: Accurate temperature monitoring helps maintain the refrigerator temperature, supporting food freshness and reducing frost buildup. Replaces worn or faulty sensors to restore proper cooling performance. Direct replacement for the listed OEM models ensures reliable fit and operation. Use scenarios: Home refrigerator maintenance or : swap in a sensor when the existing unit fails or drifts. Ageing Samsung models: to restore consistent cooling and extend appliance life. DIY kitchen appliance service: convenient for tech‑savvy users or technicians performing routine maintenance.